1.If a parabola passes through the points (−2,1)(-2, 1)(−2,1), (1,2)(1, 2)(1,2) and (−1,3)(-1, 3)(−1,3) having horizontal axis, then the length of the latus rectum of that parabola isa.555b.52\frac{5}{2}25c.25\frac{2}{5}52d.15\frac{1}{5}51Login to continueOnly logged in users canattempt or see the solution.